Home / 76,324.11-105,258.32-47,646.41

Finding the Fourth Proportional to 76,324.11, 105,258.32 and 47,646.41

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Solution

The fourth proportional to 76,324.11, 105,258.32 and 47,646.41 is: 65,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,324.11 : 105,258.32 = 47,646.41 : x
  2. Step 2: Convert to fraction form
    76,324.11/105,258.32 = 47,646.41/x
  3. Step 3: Cross multiply
    76,324.11x = 105,258.32 × 47,646.41
  4. Step 4: Simplify right side
    76,324.11x = 5,015,181,721.93
  5. Step 5: Solve for x
    x = 5,015,181,721.93/76,324.11
  6. Step 6: Final answer
    x = 65,709.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.